12214540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 27941760

約数和(自身を除く): 15727220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 431, 436, 545, 862, 1090, 1417, 1724, 2155, 2180, 2834, 4310, 5603, 5668, 7085, 8620, 11206, 14170, 22412, 28015, 28340, 46979, 56030, 93958, 112060, 187916, 234895, 469790, 610727, 939580, 1221454, 2442908, 3053635, 6107270, 12214540]

約数ペア:

[(1, 12214540), (2, 6107270), (4, 3053635), (5, 2442908), (10, 1221454), (13, 939580), (20, 610727), (26, 469790), (52, 234895), (65, 187916), (109, 112060), (130, 93958), (218, 56030), (260, 46979), (431, 28340), (436, 28015), (545, 22412), (862, 14170), (1090, 11206), (1417, 8620), (1724, 7085), (2155, 5668), (2180, 5603), (2834, 4310)]